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Get Started Free →Use the Google Fonts API to add fonts to web pages.
.claude/skills/google-web-fonts/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-02 | ✗→✓ | ▲ Improved | — | — |
| case-04 | ✗→✓ | ▲ Improved | — | — |
| case-05 | ✗→✓ | ▲ Improved | — | — |
| case-01 | ✗→✓ | ▲ Improved | — | — |
| case-14 | ✗→✓ | ▲ Improved | — | — |
html<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Font+Name">
cssbody { font-family: 'Font Name', serif; }
https://fonts.googleapis.com/css?family=Font+Namehttps://fonts.googleapis.com/css?family=Tangerine|Inconsolata|Droid+Sans| Style | Specifier | |-------|-----------| | Italic | italic or i | | Bold | bold or b, or numeric value such as 700 | | Bold Italic | bolditalic or bi |
Example:
https://fonts.googleapis.com/css?family=Cantarell:italic|Droid+Serif:boldhttps://fonts.googleapis.com/css?family=Roboto&display=swaphttps://fonts.googleapis.com/css?family=Roboto+Mono&subset=cyrillic,greekSpecify the characters needed to reduce the font file size by up to 90%:
https://fonts.googleapis.com/css?family=Inconsolata&text=Hello%20Worldhttps://fonts.googleapis.com/css?family=Rancho&effect=shadow-multipleUsage:
html<div class="font-effect-shadow-multiple">This is a font effect!</div>
| Effect | API Name | Class Name | |--------|----------|------------| | 3D | 3d | font-effect-3d | | 3D Float | 3d-float | font-effect-3d-float | | Anaglyph | anaglyph | font-effect-anaglyph | | Neon | neon | font-effect-neon | | Shadow Multiple | shadow-multiple | font-effect-shadow-multiple | | Vintage | vintage | font-effect-vintage |
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-02 | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-19 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-10 | pass→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-17 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-18 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-07 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-04 | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-11 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-13 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-16 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-21 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-03 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-05 | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-09 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-06 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-22 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-01 | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-08 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-12 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-14 | fail→pass | — | — | — | — | — | — | — | — | — | — | — | — |
case-15 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
case-20 | fail→fail | — | — | — | — | — | — | — | — | — | — | — | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +23 percentage points is the difference between those two pass rates over the 22 comparable cases.
The per-case answers from this run were removed by the retention sweep, so the case table below shows the verdicts without the text either arm produced. The counts above were recorded at the time and are unaffected. Answers are now kept for 180 days.
Other measured skills in the registry, with their headline benchmark lift.